[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/arch/mips/thread.c b/src/bsp/lk/arch/mips/thread.c
new file mode 100644
index 0000000..eaef3d9
--- /dev/null
+++ b/src/bsp/lk/arch/mips/thread.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2015 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <debug.h>
+#include <trace.h>
+#include <sys/types.h>
+#include <string.h>
+#include <stdlib.h>
+#include <kernel/thread.h>
+#include <arch/mips.h>
+
+#define LOCAL_TRACE 0
+
+struct thread *_current_thread;
+
+static void initial_thread_func(void) __NO_RETURN;
+static void initial_thread_func(void)
+{
+ thread_t *ct = get_current_thread();
+
+#if LOCAL_TRACE
+ LTRACEF("thread %p calling %p with arg %p\n", ct, ct->entry, ct->arg);
+ dump_thread(ct);
+#endif
+
+ /* release the thread lock that was implicitly held across the reschedule */
+ spin_unlock(&thread_lock);
+ arch_enable_ints();
+
+ int ret = ct->entry(ct->arg);
+
+ LTRACEF("thread %p exiting with %d\n", ct, ret);
+
+ thread_exit(ret);
+}
+
+void arch_thread_initialize(thread_t *t)
+{
+ LTRACEF("t %p (%s)\n", t, t->name);
+
+ /* zero out the thread context */
+ memset(&t->arch.cs_frame, 0, sizeof(t->arch.cs_frame));
+
+ t->arch.cs_frame.ra = (vaddr_t)&initial_thread_func;
+ t->arch.cs_frame.sp = (vaddr_t)t->stack + t->stack_size;
+}
+
+void arch_context_switch(thread_t *oldthread, thread_t *newthread)
+{
+ LTRACEF("old %p (%s), new %p (%s)\n", oldthread, oldthread->name, newthread, newthread->name);
+
+ mips_context_switch(&oldthread->arch.cs_frame, &newthread->arch.cs_frame);
+}
+
+void arch_dump_thread(thread_t *t)
+{
+ if (t->state != THREAD_RUNNING) {
+ dprintf(INFO, "\tarch: ");
+ dprintf(INFO, "sp 0x%x\n", t->arch.cs_frame.sp);
+ }
+}
+